1) useful to the majority of users.
the question is not "why not add ..." the question is "why should we addd ... ?"
it should not make the emulator any more complicated to use, unless there's a very great benefit to the change. if its a suggestion that removes controls or simplifies the UI, even better!

2) worth the time to implement. this is part of the above point (time vs benefit), but its often hard for people to guess how difficult something is. try to use common sense here.

3) explained clearly.
its no good having a great idea if we don't understand you. drawings or annotated screenshots sometimes help! don't be afraid to use a paint program, and this isn't an art class!

4) specific and non obvious.
things like "why not support (some game marked unsupported in rom browser)?" are not helpful because we will already know the problem and already tried to fix it.

5) use the search and read the changelogs and ToDos to see if we have already done it or are planning to do it!
remember most things that can reasonably be done with an N64 emulator, have already been thought of by this point! having said that, you might have a great idea so if you still think it's great, post it.

6) think about your idea for a day before posting it.
I often post something that i think is brilliant only to realise a massive flaw in it 5 minutes later.. just save yourself the embarassment and mull it over a while

7) try to have a complete idea. think about all aspects.. what sort of interface changes your idea might need (the more, the less likely it is to happen..), what other things it might impact on, etc.

8) finally, please remember to ask politely and not demand, this as a hobby, not a job. most people understand this but not everyone..

Thanks for your ideas!

sorry if i did a lot of error,this is the first time on my life that i post something in a site so don't be cruel with your heartbreaking comments
specially ExtremeDude2

8) finally, please remember to ask politely and not demand, this as a hobby, not a job. most people understand this but not everyone..

He's talking about me, btw.
Just so everyone knows.

He created this thread right after he accused me of demanding Jabo/zilmar to implement things into Project64, just because I was commenting how smart Jabo strategically was in doing simple feature bumps to quiet the loud, naive requests of other alpha testers in the plugins.

I can't really talk about why he was wrong, or why he managed to interpret anything I ever said in the alpha forum that way, due to the tens of reasons I could have gone on to list evidence that I, at the time, barely even cared about Project64 or its features.

So I flew into an emotional curiosity as to why God would permit such hallucinations over something completely unrelated and left the forum for a couple months.

I can't help it. Unthinkably misunderstanding people just piss me the fuck off.

Not saying I don't miss him for all his work and efforts, but the simple-minded men populate the world plentifully.

I kind of waited only until now to say anything about it because people won't stop reminding me of this dead thread and how I kept burying the memory.
Nothing of much material though. It's off my head now.